org.apache.dubbo.qos.protocol.QosProtocolWrapper Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of dubbo Show documentation
Show all versions of dubbo Show documentation
The all in one project of dubbo
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.dubbo.qos.protocol;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.extension.Activate;
import org.apache.dubbo.common.logger.ErrorTypeAwareLogger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.qos.common.QosConstants;
import org.apache.dubbo.qos.pu.QosWireProtocol;
import org.apache.dubbo.qos.server.Server;
import org.apache.dubbo.remoting.api.WireProtocol;
import org.apache.dubbo.rpc.Exporter;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.Protocol;
import org.apache.dubbo.rpc.ProtocolServer;
import org.apache.dubbo.rpc.RpcException;
import org.apache.dubbo.rpc.model.FrameworkModel;
import org.apache.dubbo.rpc.model.ScopeModelAware;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.apache.dubbo.common.constants.LoggerCodeConstants.QOS_FAILED_START_SERVER;
import static org.apache.dubbo.common.constants.QosConstants.ACCEPT_FOREIGN_IP;
import static org.apache.dubbo.common.constants.QosConstants.QOS_ENABLE;
import static org.apache.dubbo.common.constants.QosConstants.QOS_HOST;
import static org.apache.dubbo.common.constants.QosConstants.QOS_PORT;
@Activate(order = 200)
public class QosProtocolWrapper implements Protocol, ScopeModelAware {
private final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(QosProtocolWrapper.class);
private AtomicBoolean hasStarted = new AtomicBoolean(false);
private Protocol protocol;
private FrameworkModel frameworkModel;
public QosProtocolWrapper(Protocol protocol) {
if (protocol == null) {
throw new IllegalArgumentException("protocol == null");
}
this.protocol = protocol;
}
@Override
public void setFrameworkModel(FrameworkModel frameworkModel) {
this.frameworkModel = frameworkModel;
}
@Override
public int getDefaultPort() {
return protocol.getDefaultPort();
}
@Override
public Exporter export(Invoker invoker) throws RpcException {
startQosServer(invoker.getUrl());
return protocol.export(invoker);
}
@Override
public Invoker refer(Class type, URL url) throws RpcException {
startQosServer(url);
return protocol.refer(type, url);
}
@Override
public void destroy() {
protocol.destroy();
stopServer();
}
@Override
public List getServers() {
return protocol.getServers();
}
private void startQosServer(URL url) {
try {
if (!hasStarted.compareAndSet(false, true)) {
return;
}
boolean qosEnable = url.getParameter(QOS_ENABLE, true);
WireProtocol qosWireProtocol = frameworkModel.getExtensionLoader(WireProtocol.class).getExtension("qos");
if (qosWireProtocol != null) {
((QosWireProtocol) qosWireProtocol).setQosEnable(qosEnable);
}
if (!qosEnable) {
logger.info("qos won't be started because it is disabled. " +
"Please check dubbo.application.qos.enable is configured either in system property, " +
"dubbo.properties or XML/spring-boot configuration.");
return;
}
String host = url.getParameter(QOS_HOST);
int port = url.getParameter(QOS_PORT, QosConstants.DEFAULT_PORT);
boolean acceptForeignIp = Boolean.parseBoolean(url.getParameter(ACCEPT_FOREIGN_IP, "false"));
Server server = frameworkModel.getBeanFactory().getBean(Server.class);
if (server.isStarted()) {
return;
}
server.setHost(host);
server.setPort(port);
server.setAcceptForeignIp(acceptForeignIp);
server.start();
} catch (Throwable throwable) {
logger.warn(QOS_FAILED_START_SERVER, "", "", "Fail to start qos server: ", throwable);
}
}
/*package*/ void stopServer() {
if (hasStarted.compareAndSet(true, false)) {
Server server = frameworkModel.getBeanFactory().getBean(Server.class);
server.stop();
}
}
}